By measuring pressure, the flow rate can be determined, as in various flow measurements devices such as Venturi meters, Venturi nozzles and orifice plates. Thus, any gain in kinetic energy a fluid may attain by its increased velocity through a constriction is balanced by a drop in pressure. In inviscid fluid dynamics, an incompressible fluid's velocity must increase as it passes through a constriction in accordance with the principle of mass continuity, while its static pressure must decrease in accordance with the principle of conservation of mechanical energy (Bernoulli's principle).
The Venturi effect is named after its discoverer, the 18th-century Italian physicist Giovanni Battista Venturi. The Venturi effect is the reduction in fluid pressure that results when a fluid flows through a constricted section (or choke) of a pipe.
PEP 655 - Marking individual TypedDict items as required or potentially-missingĪnd now for something completely different.PEP 675 - Arbitrary Literal String Type.On average, we measured a 1.22x speedup on the standard benchmark suite. Python 3.11 is up to 10-60% faster than Python 3.10. The Faster CPython Project is already yielding some exciting results.gh-34627 - Atomic grouping ( (?>.)) and possessive quantifiers ( *+, ++, ?+, +) are now supported in regular expressions.gh-90908 - Introduce task groups to asyncio.PEP 680 - tomllib: Support for Parsing TOML in the Standard Library.PEP 654 - Exception Groups and except*.PEP 657 - Include Fine-Grained Error Locations in Tracebacks.Some of the new major new features and changes in Python 3.11 are: General changes Major new features of the 3.11 series, compared to 3.10 Python 3.11.3 is the newest major release of the Python programming language, and it contains many new features and optimizations. This is the third maintenance release of Python 3.11
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